Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plasser Railway Machinery Sa PfiledCriticalPlasser Railway Machinery Sa P
Priority to ZA893973ApriorityCriticalpatent/ZA893973B/en
Publication of ZA893973BpublicationCriticalpatent/ZA893973B/en